78888: Near Repdigit 788..88

First few terms (base 10): \[[78^*_9]_n=\{7,71,647,5831,52487,\ldots\}\]

First few terms (base 9): \[\{\text{7},\text{78},\text{788},\text{7888},\text{78888},\ldots\}\]

General Formula:\[[78^*_9]_n=8\cdot9^{n}-1\]

Equivalent Patterns: (none)

Table

No table data.